Hotel

An hotel offers a special service for corporate meetings and seminars. Large meeting rooms are provided for presentations, meals are served, and often rooms for the participants are provided as well.

A sample of $30$ firms organizing such seminars at the hotel has been selected. The amount billed during the fiscal year $2021$ to the respective firms is presented in the following table $($the data has been sorted from the smallest to the largest value, for convenience$)$:

$\backslash$table$[[$Amounts billed in $2021()],[3000,16100,25200,29300,34200],[12600,20500,27000,31300,34300],[12800,21300,27800,31800,36800],[13700,21700,28700,32000,37200],[14000,22500,28800,32000,47200],[15300,23100,29100,32900,49300]]$